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zubka84 [21]
3 years ago
8

For the function y = -10x find the matching y-value when x = 3​

Mathematics
2 answers:
alexgriva [62]3 years ago
7 0

Answer:

-30

Step-by-step explanation:

y = -10x is a function that can also be represented by f(x)  = -10x.  We are to evaluate this function at x = 3.  To do this, replace both instances of x in this function by 3 and simplify the result:

f(3) =   -10(3) = -30

Alchen [17]3 years ago
6 0

Answer:

y= -30

Step-by-step explanation:

THis is because you substitue 3  for X and then multiply -10 and 3 and a negative times a positive is a negative so -10 times 3 is -30

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Which choice best represents the balance of a savings account at the end of 6 years if the simple interest earned each year is 6
Amiraneli [1.4K]

Answer:

$507.00.

Step-by-step explanation:

First, converting R percent to r a decimal

r = R/100 = 6.5%/100 = 0.065 per year,

then, solving our equation

I = 1300 × 0.065 × 6 = 507

I = $ 507.00

The simple interest accumulated

on a principal of $ 1,300.00

at a rate of 6.5% per year

for 6 years is $ 507.00.

4 0
2 years ago
Mattie is making a collar for her dog. She needs to buy some chain,a clasp, and a name tag. She wants the chain to be 40 centime
Fantom [35]

Answer:the total cost of the collar is $5.11

Step-by-step explanation:

To make a collar for her dog, she needs to buy some chain,a clasp, and a name tag.

The length of the chain that she wants to buy is 40 centimeters.

1000 centimeters = 1 meter

40 centimeters = 40/1000 = 0.04 meters.

One meter of chain costs $9.75. Therefore, 0.04 meters of chain would cost

0.04 × 9.75 = $0.39

The clasp is $1.29 and the name tag is $3.43. Therefore, the total cost of the collar would be

0.39 + 1.29 + 3.43 = $5.11

8 0
3 years ago
In 1987 the average price of gasoline was $0.94. Today the price of gas is about $3.00. What is the percent increase from 1987 t
aleksklad [387]

Answer:

219.15% (2DP)

Step-by-step explanation:

The difference between 0.94 and 3 is 2.06

Percentage change = (change in value/ original amount) X100.

(2.06/0.94) X 100

Which equals 219.15%

The price of gas has increased by 219.15%

3 0
3 years ago
Help Find kif (2, k) lies on the line with equation 2x + 7y = 41
Maksim231197 [3]

Answer:

i think 11y

Step-by-step explanation:

4 0
3 years ago
A specific cars engine has a capacity of 5.1 Lof oil. How many quarts of oil does the engine have?
mr Goodwill [35]

<u>ANSWER: </u>

The engine have 5.39 qt approximately.

<u>SOLUTION: </u>

Given, a specific cars engine has a capacity of 5.1 L of oil.  

We need to find how many quarts of oil does the engine have?

Number of quarts of oil is product of number of liters of oil and the number of quarts per liter.

We know that, one liter of liquid contains 1.056 quarts approximately.

Number of quarts of oil = number of liters of oil x number of quarts per liter.

Number of quarts of oil = 5.1 liters x 1.056 quarts.

Number of quarts of oil = 5.1 x 1.056  

Number of quarts of oil = 5.389 qt.

Hence, the engine have 5.39 qt approximately

6 0
3 years ago
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